This week, we're taking a look back at a few of the most interesting stories we covered over the past year.

They include an invention that can help protect first responders from opiod overdoses, a "food computer" at the library, a new way to train IT pros, revolutionary clean drinking water tech, and a new kind of helmet for astronauts.

***Please note: This show is now available as a podcast on Apple and Android devices. To find out how, follow these links: Apple, orAndroid